html,body{
    margin: 0;
    padding: 0;
    height: 100%;
    width: 100%;
    box-sizing: border-box;
}
.lanmu {
    min-width: 1200px;
    margin: 0 auto;
    height: 60px;
    background-color: #232323;
    display: flex; /* 使用 Flexbox */
    justify-content: center; /* 水平居中 */
    align-items: center; /* 垂直居中 */
}

.box {
    width: 1200px;
    display: flex; /* 使用 Flexbox */
    align-items: center; /* 垂直居中 */
}
.lanmu .box img {
    border: 0;
    width: 180px;
    height: 60px;
    margin-left: 5px;
}

.lanmu .box a {
    background-color: #232323;
    border: 0;
    color: white;
    width: 200px;
    height: 60px;
    font-size: 15px;
    padding: 0 20px; /* 左右内边距 */
    display: inline-block;
    line-height: 60px;
    text-align: center;
}
.lanmu .box a:hover{
    height: 60px;
    background-color: #F15A25FF;
    color: white; /* 悬停时文字颜色 */
    font-size: 15px; /* 悬停时文字大小 */
}
.zhutupian{
    min-width: 1200px;
    height: 415px;
    background-color: #F6F6F6;
    overflow: hidden;
}
.gaiyao {
    min-width: 1200px;
    display: flex; /* 使用 Flexbox */
    justify-content: center;
    align-items: center;
    height: 450px;
    background-color: #F6F6F6;
}
.gaiyao .box .chanye img{
    margin-top: 40px;
    height: 150px;
    width: 150px;
}
.gaiyao .box{
    display: flex;
    align-items: center;
}
.gaiyao .box .chanye{
    font-size: 15px;
    color:#B2BCBD;
    text-align: center;
    height: 400px;
    width: 300px;
    display: inline-block;
}
.p1{
    font-size: 18px;
    color: #808B91FF;
    text-align: center;
}
.gaiyao .box .chanye:first-child{
    border-right: 1.5px solid gainsboro;
}
.gaiyao .box .chanye:nth-child(2),
.gaiyao .box .chanye:nth-child(3) {
    border-left: 1.5px solid white;
    border-right: 1.5px solid gainsboro;
}
.gaiyao .box .chanye:last-child {
    border-left: 1.5px solid white;
}
.dibu{
    min-width: 1200px;
    font-size: 15px;
    color:#1B1D1CFF;
    margin-top: 20px;
    margin-bottom: 20px;
    display: flex; /* 使用 Flexbox */
    justify-content: center;
    align-items: center;
    height: 350px;
    background-color: white;
}
.dibu .xinwen{
    padding: 0 20px;
    width: 400px;
}
.dibu .xinwen .img1{
    height: 300px;
    width: 400px;
}
.dibu .xinwen .img2{
    height: 50px;
    width: 175px;
}
.dibu .xinwen .shang{
    height: 150px;
    border-bottom: 2px dashed gainsboro;
}
.dibu .xinwen .xia{
    height: 150px;
}
.dibu .xinwen .last{ 
    padding: 0 20px;
    border-left: 1.5px solid gainsboro;
}
.p2{
    font-size: 20px;
}
.p3{
    font-size: 18px;
}
.p4{
    font-size: 30px;
}
.p5{
    height: 30px;
    font-size: 15px;
    color: white;
}
.p6{
    color:gray;
}
.jiao{
    min-width: 1200px;
    display: flex; /* 使用 Flexbox */
    justify-content: center;
    align-items: center;
    height: 250px;
    background-color: #232323;
}
.jiao .box .fuwu{
    height: 250px;
    font-size: 15px;
    color:gray;
    display: flex;
    width: 600px;
}
.jiao .box .fuwu .qianfeng{ 
    margin: 20px 0;
    height: 200px;
    width: 120px;
}
.jiao .box .img1{
    margin: 20px 0;
    padding: 0 35px;
    border-left: 2px solid transparent; /* 右边框宽度 */
    border-image: linear-gradient(to bottom, #232323, gray, #232323) 1; /* 渐变边框 */
    width: 400px;
    height: 200px;
}
.jiao .box .img2{
    margin: 20px 0;
    padding: 0 30px;
    border-left: 2px solid transparent; /* 右边框宽度 */
    border-image: linear-gradient(to bottom, #232323, gray, #232323) 1; /* 渐变边框 */
    width: 200px;
    height: 200px;
}
.end{
    min-width: 1200px;
    display: flex; /* 使用 Flexbox */
    justify-content: center;
    align-items: center;
    font-size: 10px;
    color:gray;
    height: 30px;
    background-color: black;
}
.end .box{
    justify-content: center;
}